Gaussdb exp bug ？

SQL> exp users=roger CONTENT=all file="test.dmp" PARALLEL=2;
Parsing export options ... 
Verify options ...
  verify schema ...
Starting export ...
Preparing to export ...
-- EXPORT TYPE = SCHEMA
-- EXPORT OBJECTS = ROGER
-- FILE TYPE = TXT
-- DUMP FILE = test.dmp
-- LOG FILE = 
-- QUERY = ""
-- COMPRESS = N
-- CONSISTENT = N
-- CONTENT_MODE = ALL
-- SKIP_COMMENTS = N
-- FORCE = N
-- SKIP_ADD_DROP_TABLE = N
-- SKIP_TRIGGERS = N
-- QUOTE_NAMES = Y
-- TABLESPACE = N
-- COMMIT_BATCH = 1000
-- INSERT_BATCH = 1
-- FEEDBACK = 10000
-- PARALLEL = 2
-- CREATE_USER = N
-- ROLE = N
-- GRANT = N
-- WITH_CR_MODE = N

Exporting schema ROGER ...
Exporting sequence of schema ROGER ...
Exporting tables of schema ROGER ...
Reading table objects of ROGER

The order of exporting table is:
TABLE NAME                                                       LEVEL     
---------------------------------------------------------------- ----------
TEST                                                             1         

Exporting tables (scripts or data) of ROGER
exporting table ROGER.TEST ...
  exporting DDL of ROGER.TEST ...
  exporting indexes on ROGER.TEST ...
  exporting constraints on ROGER.TEST ...

Exporting procedures/functions/triggers of schema ROGER ...
Exporting views of schema ROGER ...
End of export schema ROGER ...

Logical export succeeded.

在没有压缩的情况下，可以直接strings查看表结构，相对来讲dmp结构比较简单：

[roger@mysqldb GaussDB_100_1.0.1-TOOLS]$ strings test.dmp 
--** The script is dumped by *ZSQL/EXP* tool, Zenith@Huawei Gauss Dept.
--** Dumped time: 2020-02-14 11:53:58.708
-- EXPORT TYPE = SCHEMA
-- EXPORT OBJECTS = ROGER
-- FILE TYPE = TXT
-- DUMP FILE = test.dmp
-- LOG FILE = 
-- QUERY = ""
-- COMPRESS = N
-- CONSISTENT = N
-- CONTENT_MODE = ALL
-- SKIP_COMMENTS = N
-- FORCE = N
-- SKIP_ADD_DROP_TABLE = N
-- SKIP_TRIGGERS = N
-- QUOTE_NAMES = Y
-- TABLESPACE = N
-- COMMIT_BATCH = 1000
-- INSERT_BATCH = 1
-- FEEDBACK = 10000
-- PARALLEL = 2
-- CREATE_USER = N
-- ROLE = N
-- GRANT = N
-- WITH_CR_MODE = N
ALTER SESSION SET NLS_DATE_FORMAT = 'YYYY-MM-DD HH24:MI:SS';
ALTER SESSION SET NLS_TIMESTAMP_FORMAT = 'YYYY-MM-DD HH24:MI:SS.FF';
ALTER SESSION SET NLS_TIMESTAMP_TZ_FORMAT = 'YYYY-MM-DD HH24:MI:SS.FF TZH:TZM';
ALTER SESSION SET NLS_TIME_FORMAT = 'HH:MI:SS.FF AM';
ALTER SESSION SET NLS_TIME_TZ_FORMAT = 'HH:MI:SS.FF AM TZR';
ALTER SESSION SET CURRENT_SCHEMA = ROGER;
DROP TABLE IF EXISTS "TEST" CASCADE CONSTRAINTS;
CREATE TABLE "TEST"
  "A" NUMBER,
  "B" VARCHAR(20 BYTE)
TABLESPACE "USERS"
INITRANS 2
MAXTRANS 255
PCTFREE 8;
==@@ data/_3F202DA1867E08580000.D
@@ data/_D6232DA186EE86A40100.D==
CREATE INDEX "IDX_TEST_ID" ON "TEST"("A")
TABLESPACE "USERS"
INITRANS 2
PCTFREE 8;

SQL> exp users=roger CONTENT=ALL file="test_batch.dmp" PARALLEL=2 TABLESPACE=y ROLE=y GRANT=y;
Parsing export options ... 
Verify options ...
  verify schema ...
Starting export ...
Preparing to export ...
-- EXPORT TYPE = SCHEMA
-- EXPORT OBJECTS = ROGER
-- FILE TYPE = TXT
-- DUMP FILE = test_batch.dmp
-- LOG FILE = 
-- QUERY = ""
-- COMPRESS = N
-- CONSISTENT = N
-- CONTENT_MODE = ALL
-- SKIP_COMMENTS = N
-- FORCE = N
-- SKIP_ADD_DROP_TABLE = N
-- SKIP_TRIGGERS = N
-- QUOTE_NAMES = Y
-- TABLESPACE = Y
-- COMMIT_BATCH = 1000
-- INSERT_BATCH = 1
-- FEEDBACK = 10000
-- PARALLEL = 2
-- CREATE_USER = N
-- ROLE = Y
-- GRANT = Y
-- WITH_CR_MODE = N

Exporting roles  ...
Grant privilege to role ...
Exporting schema ROGER ...
Exporting grant role and privilege of schema ROGER ...
Grant privilege to schema ROGER ...
Grant role to schema ROGER ...
Exporting sequence of schema ROGER ...
Exporting tables of schema ROGER ...
Reading table objects of ROGER

The order of exporting table is:
TABLE NAME                                                       LEVEL     
---------------------------------------------------------------- ----------
TEST                                                             1         

Exporting tables (scripts or data) of ROGER
exporting table ROGER.TEST ...
  exporting DDL of ROGER.TEST ...
  exporting indexes on ROGER.TEST ...
  exporting constraints on ROGER.TEST ...

Exporting procedures/functions/triggers of schema ROGER ...
Exporting views of schema ROGER ...
End of export schema ROGER ...

Logical export succeeded.

SQL> 
SQL> exit

[roger@mysqldb GaussDB_100_1.0.1-TOOLS]$ strings test_batch.dmp
--** The script is dumped by *ZSQL/EXP* tool, Zenith@Huawei Gauss Dept.
--** Dumped time: 2020-02-14 13:51:14.584
-- EXPORT TYPE = SCHEMA
-- EXPORT OBJECTS = ROGER
-- FILE TYPE = TXT
-- DUMP FILE = test_batch.dmp
-- LOG FILE = 
-- QUERY = ""
-- COMPRESS = N
-- CONSISTENT = N
-- CONTENT_MODE = ALL
-- SKIP_COMMENTS = N
-- FORCE = N
-- SKIP_ADD_DROP_TABLE = N
-- SKIP_TRIGGERS = N
-- QUOTE_NAMES = Y
-- TABLESPACE = Y
-- COMMIT_BATCH = 1000
-- INSERT_BATCH = 1
-- FEEDBACK = 10000
-- PARALLEL = 2
-- CREATE_USER = N
-- ROLE = Y
-- GRANT = Y
-- WITH_CR_MODE = N
ALTER SESSION SET NLS_DATE_FORMAT = 'YYYY-MM-DD HH24:MI:SS';
ALTER SESSION SET NLS_TIMESTAMP_FORMAT = 'YYYY-MM-DD HH24:MI:SS.FF';
ALTER SESSION SET NLS_TIMESTAMP_TZ_FORMAT = 'YYYY-MM-DD HH24:MI:SS.FF TZH:TZM';
ALTER SESSION SET NLS_TIME_FORMAT = 'HH:MI:SS.FF AM';
ALTER SESSION SET NLS_TIME_TZ_FORMAT = 'HH:MI:SS.FF AM TZR';
GRANT CONNECT TO "ROGER";
GRANT DBA TO "ROGER";
GRANT RESOURCE TO "ROGER";
ALTER SESSION SET CURRENT_SCHEMA = ROGER;
DROP TABLE IF EXISTS "TEST" CASCADE CONSTRAINTS;
CREATE TABLE "TEST"
  "A" NUMBER,
  "B" VARCHAR(20 BYTE)
TABLESPACE "USERS"
INITRANS 2
MAXTRANS 255
PCTFREE 8;
CREATE INDEX "IDX_TEST_ID" ON "TEST"("A")
TABLESPACE "USERS"
INITRANS 2
PCTFREE 8;

可以看到这里，dmp中没有实际数据参数。。。这是为何 ？